单选题 Novel drugs developed through biotechnologies can be expected to deliver a better effect.
A. distribute B. produce C. liberate D. express

【正确答案】 B
【答案解析】deliver:送货,发表(讲话),产生(效果),助产;distribute:分配,销售,分发,分布;produce:生产,产生,造就;liberate:解放;express:表达,表现,特快